| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 50.51 | ||
| 1 | 5 | 42.60 | ||
| 1 | 22 | DQ | ||
| 2 | 2 | 41.70 | ||
| 2 | 17 | 52.92 | ||
| 2 | 7 | 43.68 | ||
| 3 | 22 | DQ | ||
| 3 | 1 | 41.41 | ||
| 3 | 20 | 1:02.56 | ||
| 4 | 3 | 42.17 | ||
| 4 | 4 | 42.50 | ||
| 4 | 22 | DQ | ||
| 5 | 8 | 44.09 | ||
| 5 | 16 | 52.71 | ||
| 5 | 6 | 42.74 | ||
| 6 | 18 | 53.14 | ||
| 6 | 9 | 45.72 | ||
| 6 | 14 | 51.02 | ||
| 7 | 15 | 51.71 | ||
| 7 | 10 | 48.74 | ||
| 7 | 19 | 55.37 | ||
| 8 | 13 | 50.86 | ||
| 8 | 21 | 1:04.54 | ||
| 8 | 11 | 49.17 |